Thankfully the new functionality is being achieved through new options for the existing pie chart, which means that those new features are available in R via googleVis as well, without the need of writing new code.
Doughnut chart example
With the German election coming up soon, here is the composition of the current parliament.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| dat <- data.frame(party=c("CDU", "FDP", "CSU", "SPD", | |
| "The Left", "The Greens"), | |
| members.of.parliament=c(193, 93, 44, | |
| 146, 76, 68)) | |
| library(googleVis) | |
| ## Doughnut chart - a pie with a hole | |
| doughnut <- gvisPieChart(dat, | |
| options=list( | |
| width=500, | |
| height=500, | |
| slices="{0: {offset: 0.2}, | |
| 1: {offset: 0.2}, | |
| 2: {offset: 0.2}}", | |
| title='German parliament 2009 - 2013 | |
| (Goverment: CDU/FDP/CSU)', | |
| legend='none', | |
| colors="['black','orange', 'blue', | |
| 'red', 'purple', 'green']", | |
| pieSliceText='label', | |
| pieHole=0.5), | |
| chartid="doughnut") | |
| plot(doughnut) |
Session Info
R version 3.0.1 (2013-05-16)
Platform: x86_64-apple-darwin10.8.0 (64-bit)
locale:
[1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods
[7] base
other attached packages:
[1] googleVis_0.4.5
loaded via a namespace (and not attached):
[1] RJSONIO_1.0-3 tools_3.0.1 
